Auto repair service near Irwindale, CA

The AAMCO External Diagnostic Service is the best transmission checkup available anywhere. Our Centers’ certified technicians can get to the bottom of any transmission problem. With today’s more complex, computer-controlled transmissions, it takes a real expert to be able to diagnose a transmission problem correctly. Getting that diagnosis right can save you a lot of money. The AAMCO External Diagnostic Service is a systematic and comprehensive external evaluation of the overall performance and condition of your transmission. A trained technician will check the level and condition of your transmission fluid: •A low fluid level may indicate a leak •Contaminated fluid has water or particles in the fluid. •Burnt fluid indicates damage from overheating. •Varnished fluid has been overheated repeatedly. •Normal fluid is reddish-brown and translucent, depending on transmission type, with no particular odor. The technician will also check the level and condition of transfer case and differential fluid, where applicable. The technician takes your car on a road test, to experience first-hand any problems you have noticed, and to evaluate your car's performance. Your vehicle will be placed on a lift to inspect the controls under the vehicle for any possible cause of the problem external to the transmission. Finally, the technician will scan the computer for trouble codes*. From these tests, the expert transmission technicians at AAMCO centers can determine what type of problem you might have, and make a recommendation for whatever service is necessary. That comprehensive approach to diagnosing the source of the problem is what sets AAMCO apart.

Great service! I was given a detailed understanding of the issue my vehicle was experiencing. With my small budget incapable of undergoing all needed repairs, they made it work. Even better - under what I could spend :) This is a quick, clean, professional, and understanding location of which I highly recommend. Chris Curtis

I thank my lucky stars for this place!! For as long as I've been taking my car to the team here, which is about 6 years now (this was previously a Nappa, with the same team), I have always been listened to genuinely and given considered, expert recommendations for my old car. It's thanks to them that it keeps on going!! Managers Albert, Mitch and the mechanics are top notch, friendly and so helpful! They take the time to listen and explain. At first, having just moved to LA, I used to cross-check their recommendations with a friend who owns a repair shop back where I used to live. Every time, he agreed with the basis for their assessment, plan of action, and price. As an example of their honesty, there was one type of repair that, for the type of car I have, is apparently best done by the dealership, and they told me that up front, rather than just doing the repair themselves without telling me and leaving me with the chance that the car may not work as it should. They have never been pushy and they help me prioritize what needs to be done and what can wait. They have sometimes gone out of their way to help me. The friendliness and reliability with which I'm treated here makes this Napa shop a valuable part of my sense of community here in Hollywood. I'm so grateful to have them and couldn't recommend them more highly! Janet Caper

This is one mechanic shop that you would like to visit when you really need your car fixed. They really take care of you, very honest, reasonable and they do things right the first time. My car is getting old and needs more maintenance and repair. I trust Bill, the head mechanic. Hassan M. Orange, CA

We've used Roy's services twice for 2 different cars with electric system problems. He came recommended by my neighbor who is in middle-managmt with General Motors. Both times, Roy gave us excellent service, completely fixed the problems (there was more than 1 each time), and had our cars ready for us before the promised time. This is the only place we use for electric issues with our vehicles and we've recommended him to family, friends and neighbors. They are honest and won't cheat you either. It's so refreshing to find a business who does right by their customers. DeeDee & Dave

My next door neighbor in Orange recommended this shop to find help for my creaking suspension and wearing on my new front tires that were wearing on the inside tread to the silver wires. Pep Boys could not fix it and told me after two trips to them to find a suspension shop. This shop was just a phone call away and took me in immediately on Friday August 3, 2012. My 1987 Nissan had quick attention and work began immediately to get my car back to me that afternoon! Their work included replacing the driver's side axle which had a badly ripped and torn axle boot, gravely worn strut rod bushings and axle arm bolts. Of course I had to replace the worn tire also. Everything was thoroughly explained to me and worn out parts were also shown to me. Their advice on my other questions to check out my car's condition was most helpful. Wow, a very serious problem was fixed with fast, courteous services. Even better than the fast service, their prices were reasonable also. Thank you Plaza Mufflers! Just ask for "Johnny."

They have the best price in town. Let me say that a gain... THE BEST PRICE IN TOWN! I have never had a problem getting the best deal here. Plus, I can (normally) wait in the lobby for them to be done they work so fast. Jered Surber

I have my own Porsche car with white color. I often travel so far for entertainment. One day on the way to my office my car stopped suddenly & didn't start. I was helpless what to do. Then I had a phone call to this car shop. In few hours some mechanics came & took my car to the shop. Then my car was serviced properly. The oil filter was chocked due to more carbon particles. I was thankful to Orange Motors.